Avalara 1099 & W-9

Version avalara1099
Companies W9
Forms 1099
Forms W9
Issuers 1099
Jobs
TIN Matches

W9FormRequest

This model is used in the following APIs:

Parameters
typeOptional
string

The form type (always "w9" for this model).

Enum: W4, W8Ben, W8BenE, W8Imy, W9
nameRequired
string

The name of the individual or entity associated with the form.

businessNameOptional
string

The name of the business associated with the form.

businessClassificationRequired
string

The classification of the business. Available values:

  • Individual: Individual/sole proprietor
  • C Corporation: C Corporation
  • S Corporation: S Corporation
  • Partnership: Partnership
  • Trust/estate: Trust/estate
  • LLC-C: Limited liability company (C Corporation)
  • LLC-S: Limited liability company (S Corporation)
  • LLC-P: Limited liability company (Partnership)
  • Other: Other (requires BusinessOther field to be populated)
Enum: Individual, CCorporation, SCorporation, Partnership, TrustEstate, LlcC, LlcS, LlcP, Other
businessOtherOptional
string

The classification description when "businessClassification" is "Other".

foreignPartnerOwnerOrBeneficiaryOptional
boolean

Indicates whether the individual is a foreign partner, owner, or beneficiary.

exemptPayeeCodeOptional
string

The exempt payee code. Allowed values (1–13):

  • 1 — Organization exempt under §501(a) or IRA; custodial account under §403(b)(7)
  • 2 — U.S. government or its agencies/instrumentalities
  • 3 — U.S. state, DC, U.S. territory/possession, or their political subdivisions/agencies/instrumentalities
  • 4 — Foreign government or its political subdivisions/agencies/instrumentalities
  • 5 — Corporation
  • 6 — Dealer in securities or commodities required to register in the U.S., DC, or U.S. territory/possession
  • 7 — Futures commission merchant registered with the CFTC
  • 8 — Real estate investment trust (REIT)
  • 9 — Entity registered at all times during the tax year under the Investment Company Act of 1940
  • 10 — Common trust fund operated by a bank under §584(a)
  • 11 — Financial institution (see §581)
  • 12 — Broker (nominee/custodian)
  • 13 — Trust exempt under §664 or described in §4947
exemptFatcaCodeOptional
string

The exemption from FATCA reporting code. Allowed values (A–M):

  • A — Tax‑exempt organization under §501(a) or IRA (§7701(a)(37))
  • B — U.S. government or any of its agencies/instrumentalities
  • C — U.S. state, DC, territory/possession, or their political subdivisions/instrumentalities
  • D — Corporation whose stock is regularly traded on an established securities market
  • E — Corporation that is a member of the same expanded affiliated group as a D corporation
  • F — Registered dealer in securities/commodities/derivatives
  • G — REIT (Real Estate Investment Trust)
  • H — Regulated investment company (§851) or entity registered all year under the Investment Company Act of 1940
  • I — Common trust fund (§584(a))
  • J — Bank (§581)
  • K — Broker
  • L — Charitable remainder trust (§664) or trust described in §4947(a)(1)
  • M — Trust under §403(b) plan or §457(g) plan
foreignCountryIndicatorOptional
boolean

Indicates whether the individual or entity is in a foreign country.

addressRequired
string

The address of the individual or entity.

foreignAddressOptional
string

The foreign address of the individual or entity.

cityRequired
string

The city of the address.

stateRequired
string

The state of the address.

zipRequired
string

The ZIP code of the address.

accountNumberOptional
string

The account number associated with the form.

tinTypeRequired
string

Recipient classification.

The platform is transitioning from tax identifier classifications to recipient entity classifications. New values represent recipient entity types and should be preferred. Deprecated values represent identifier formats and remain supported for backward compatibility only.

Available values:

  • INDIVIDUAL: Recipient is an individual
  • BUSINESS: Recipient is a business
  • UNKNOWN: Recipient classification is unknown
  • EIN: (Deprecated - use BUSINESS) Employer Identification Number
  • SSN: (Deprecated - use INDIVIDUAL) Social Security Number
  • ITIN: (Deprecated - use INDIVIDUAL) Individual Taxpayer Identification Number
  • ATIN: (Deprecated - use INDIVIDUAL) Adoption Taxpayer Identification Number SSN/ITIN (for individuals) and EIN (for businesses).
tinRequired
string

The taxpayer identification number (TIN).

backupWithholdingOptional
boolean

Indicates whether backup withholding applies.

is1099ableOptional
boolean

Indicates whether the individual or entity should be issued a 1099 form.